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<!doctype html>
<html>
<head>

  <title>avg worst case</title>

  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1, user-scalable=yes">
  <meta name="mobile-web-app-capable" content="yes">
  <meta name="apple-mobile-web-app-capable" content="yes">

  <script src="../../../webcomponentsjs/webcomponents-lite.js"></script>

  <link rel="import" href="../../../polymer/polymer.html">
  <link rel="import" href="../../iron-list.html">

</head>
<body unresolved>

  <dom-module id="x-demo">
    <template>
      <style>
        iron-list {
          width: 500px;
          height: 400px;
          float: left;
          margin: 10px;
        }

        .item {
          background-color: green;
          border-bottom: 1px solid white;
        }
      </style>

      <h1>The physical average is not useful in this situations</h1>
      <p>The list is correct if it can render all the items without empty spaces.</p>
      <iron-list id="list" items="[791, 671]" as="item" style="width: 300px; height: 300px;">
        <template>
          <div class="item" style$="[[_getStyle(item)]]"><span>[[index]]</span> height: <span>[[item]]</span>
          </div>
        </template>
      </iron-list>

      <iron-list id="list2" items="[791, 671]" as="item" style="width: 710px; height: 453px;">
        <template>
          <div class="item" style$="[[_getStyle(item)]]"><span>[[index]]</span> height: <span>[[item]]</span>
          </div>
        </template>
      </iron-list>

      <iron-list items="[512, 256, 128, 64, 16, 16, 16, 16, 16, 16, 8, 4]" as="item" style="height: 256px;">
        <template>
          <div class="item" style$="[[_getStyle(item)]]"><span>[[index]]</span> height: <span>[[item]]</span>
          </div>
        </template>
      </iron-list>
    </template>

    <script>
    window.addEventListener('WebComponentsReady', function() {
      Polymer({
        is: 'x-demo',

        _getStyle: function(item) {
          return 'height:' + item + 'px; ';
        },

        attached: function() {
          this.async(function() {
            this.$.list.push('items', 251, 191, 151, 191, 51, 51, 51);
          }, 100);

          this.async(function() {
            this.$.list2.push('items', 251, 191, 151, 191, 51, 51, 51);
          }, 300);
        }
      });
    });
    </script>
  </dom-module>

  <x-demo></x-demo>

</body>
</html>
